Porsche 911 vs Dodge Viper Dimensions & Size Comparison

Comparing 2004 catalog dimensions. Porsche 911 · Dodge Viper

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length174.5 in – 175.0 in
  • Height50.2 in – 51.4 in
  • Wheelbase92.5 in – 92.7 in
  • Ground clearance4.3 in
  • Curb weight2,959 lb – 3,428 lb
Front / width
  • Width69.7 in – 72.0 in
  • Dodge Viper width84.8 in

Which is bigger?

  • Length: Porsche 911 is 0.8 in shorter (174.8 in vs 175.6 in)
  • Width: Porsche 911 is 14.0 in narrower (70.8 in vs 84.8 in)
  • Height: Porsche 911 is 3.2 in taller (50.8 in vs 47.6 in)
  • Wheelbase: Dodge Viper has a 6.2 in longer wheelbase (92.6 in vs 98.8 in)
  • Curb weight: Dodge Viper is 217 lb heavier (3,194 lb vs 3,410 lb)

Biggest size differences

  1. Width: Porsche 911 is 14.0 in narrower (70.8 in vs 84.8 in)
  2. Height: Porsche 911 is 3.2 in taller (50.8 in vs 47.6 in)
  3. Curb weight: Dodge Viper is 217 lb heavier (3,194 lb vs 3,410 lb)
  4. Wheelbase: Dodge Viper has a 6.2 in longer wheelbase (92.6 in vs 98.8 in)
  5. Length: Porsche 911 is 0.8 in shorter (174.8 in vs 175.6 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911Porsche 911 is shorter by 0.8 in Check garage fit for Porsche 911 · garage fit for Dodge Viper
  • Narrower for tight parkingPorsche 911Porsche 911 is narrower by 14.0 in
  • Smaller exterior footprintPorsche 911Based on length × width (Porsche 911)

Dimension comparison

SpecPorsche 911Dodge ViperDifference
Length174.8 in175.6 in0.8 in
Width70.8 in84.8 in14.0 in
Height50.8 in47.6 in3.2 in
Wheelbase92.6 in98.8 in6.2 in
Ground clearance4.3 in
Curb weight3,194 lb3,410 lb217 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.5 in – 175.0 in).

Compare by year

Overlapping model years with dimension data.

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